改编自香港作家陈慧《四季歌》内之短篇【八月的故事】。 升中六的暑假，十七岁的玉意在舅父的洋服工场内认识了当学徒的平安，与将要和她同班的惠芳成了知已，三个年青人都因某人“心动”。惠芳喜欢玉意，玉意喜欢平安，平安喜欢惠芳……。

Flavia is a thirtysomething married teacher. She has suppressed the memory of her adolescent lesbian fling with Jin and is stuck in a stifling marriage. A chance encounter in a supermarket with the playful and seductive singer Yip reawakens dormant feelings and she begins to think back on her teenage affair with Jin.